The Diamax Cyclone CNC Core Bit SKU CDBHR138
The Diamax Cyclone CNC Core Bit SKU CDBHR138 is a 1-3/8″ diamond core drill bit with a reverse-thread fitting designed for CNC drilling of natural stone, engineered stone, and granite. Its design makes it ideal for precise, deep holes in fabrication and countertop applications.
Key Features
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1-3/8″ diameter for common drilling sizes in stone fabrication.
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Reverse thread fitting secures the bit on CNC spindles during high-speed rotation.
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Diamond segmented design provides fast and consistent cutting performance.
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Optimized for wet CNC drilling to manage heat and maximize bit life.
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Durable construction for repeated use in granite and engineered stone.
Specifications
| Specification | Detail |
|---|---|
| SKU | CDBHR138 |
| Bit Diameter | 1-3/8″ |
| Thread/Fitting | ½″ gas male, reverse thread |
| Usable Length | ~3″ |
| Recommended RPM | ~2,000–2,500 |
| Cutting Type | Wet CNC core drilling |
| Material Compatibility | Natural stone, engineered stone, granite |
Available Items and Sizes
| ITEM # | SIZE | FITTING | USABLE LENGTH | MAX RPM |
|---|---|---|---|---|
| CDBYH114 | 1 1/4“ | 1/2 gas male | 3″ | 2,300 |
| CDBYH138 | 1 3/8“ | 1/2 gas male | 3″ | 2,300 |
| CDBYH112 | 1 1/2“ | 1/2 gas male | 3″ | 2,300 |
| CDBHR138 | 1 3/8“ | 1/2 gas male, Reverse Thread | 3″ | 2,300 |
| CDBYH012 | 1/2“ | 1/2 gas male | 3″ | 2,300 |
| CDBYH014 | 1/4“ | 1/2 gas male | 3″ | 2,300 |
| CDBYH034 | 3/4“ | 1/2 gas male | 3″ | 2,300 |
| CDBYH036 | 3/16“ | 1/2 gas male | 3″ | 2,300 |
| CDBYH038 | 3/8“ | 1/2 gas male | 3″ | 2,300 |
| CDBYH100 | 1 | 1/2 gas male | 3″ | 2,300 |
| CDBHR014 | 1/4“ | 1/2 gas male, Reverse Thread | 3″ | 2,300 |
